Which is not a phase of a map and reduce operation? A A WHERE clause is called to provide input records. B A map function is called to parse, extract, and filter the records to produce an output. (C) Outputs are grouped according to keys. D A reduce function is performed on each group of map outputs with the same key.
Which is not a phase of a map and reduce operation? A A WHERE clause is called to provide input records. B A map function is called to parse, extract, and filter the records to produce an output. (C) Outputs are grouped according to keys. D A reduce function is performed on each group of map outputs with the same key.
Programming Logic & Design Comprehensive
9th Edition
ISBN:9781337669405
Author:FARRELL
Publisher:FARRELL
Chapter7: File Handling And Applications
Section: Chapter Questions
Problem 3PE
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Which is not a phase of a map and reduce operation?
A A WHERE clause is called to provide input records.
B A map function is called to parse, extract, and filter the records to produce an output.
(C) Outputs are grouped according to keys.
D A reduce function is performed on each group of map outputs with the same key.
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